The typical asking rate per listing is in the $20's per square foot per year. The Polk County region is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 7% rise in rent.
In the last 90 days, 122 listings have come on the market, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,920 sqft. Most properties in this area are approximately 1 stories. Most buildings in this area were built in 1972 and are Class B.